CVE-2018-13879

MEDIUM

Rocket.Chat < 0.66 - Reflected Cross-Site Scripting in Registration Username Field

Title source: llm
STIX 2.1

Description

A reflected XSS issue was discovered in the registration form in Rocket.Chat before 0.66. When one creates an account, the next step will ask for a username. This field will not save HTML control characters but an error will be displayed that shows the attempted username unescaped via packages/rocketchat-ui-login/client/username/username.js in packages/rocketchat-ui-login/client/username/username.html.

References (1)

Core 1
Core References
Third Party Advisory x_refsource_confirm
https://github.com/RocketChat/Rocket.Chat/issues/10795

Scores

CVSS v3 5.4
EPSS 0.0062
EPSS Percentile 45.3%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Details

CWE
CWE-79
Status published
Products (1)
rocket.chat/rocket.chat < 0.66
Published Jul 11, 2018
Tracked Since Feb 18, 2026